Charleston County, South Carolina Population 2023

425,644

Charleston County, South Carolina's estimated 2023 population is 425,644 with a growth rate of 1.38% in the past year according to the most recent United States census data. Charleston County, South Carolina is the 2nd largest county in South Carolina. The 2010 population was 350,209 and has seen a growth of 21.54% since that time.

Note: data after 2021 is projected based on recent change

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Year
Population
Growth
Growth Rate
2010350,209
2011356,0125,8031.66%
2012361,8155,8031.63%
2013367,6185,8031.6%
2014373,4215,8031.58%
2015379,2245,8031.55%
2016385,0275,8031.53%
2017390,8305,8031.51%
2018396,6335,8031.48%
2019402,4365,8031.46%
2020408,2355,7991.44%
2021414,0385,8031.42%
2022419,8415,8031.4%
2023425,6445,8031.38%
showing: 14 rows
2023 Growth Rate
1.38% (5,803)
County Website
Charleston County
Founded
1769
County Seat
Charleston
2010 Population
350,209
Growth Since 2010
21.54% (75,435)

Charleston County, South Carolina Population 2023

Population by Race

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Race
Population
Percentage (of total)
White273,05867.43%
Black or African American102,98125.43%
Two or more races12,8383.17%
Other race8,0391.99%
Asian6,6871.65%
Native American9780.24%
Native Hawaiian or Pacific Islander3650.09%
showing: 7 rows

White

Black or African American

Two or more races

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Charleston County, South Carolina Population by Race

Charleston County, South Carolina Population Pyramid 2023

Charleston County, South Carolina Median Age

38.4

Total

37.2

Male

39.7

Female

Charleston County, South Carolina Adults

There are 325,270 adults, (66,927 of whom are seniors) in Charleston County, South Carolina.

Charleston County, South Carolina Age Dependency

56.7

Age Dependency Ratio

25.9

Old Age Dependency Ratio

30.8

Child Dependency Ratio

Charleston County, South Carolina Sex Ratio

Female208,16951.41%
Male196,77748.59%

Charleston County, South Carolina Population by Age

Charleston County, South Carolina Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All167,8532.3562.637.4
Married72,9482.9782.317.7
Non Family70,4431.3446.553.5
Female18,1053.5347.152.9
Male6,3573.0157.442.6
showing: 5 rows

3.02

Average Family Size

2.35

Average Household Size

62.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Charleston County, South Carolina Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Charleston County, South Carolina Educational Attainment by Sex (over 25)

Charleston County, South Carolina Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 85.53%.

The highest rate of bachelors degrees is among white people with a rate of 51.36%.

Charleston County, South Carolina Educational Attainment by Race

All

Male

Female

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$46,841

Average Earnings

$54,261

Average Male

$40,838

Average Female

Charleston County, South Carolina Earnings by Educational Attainment

Charleston County, South Carolina Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Charleston County, South Carolina Language

92.39% of Charleston County, South Carolina residents speak only English, while 7.61% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.33% of the population.

Charleston County, South Carolina Language

Charleston County, South Carolina Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
Black100,40021,19021.11%
White256,18919,7927.73%
Hispanic20,7615,49926.49%
Multiple12,1342,31919.11%
Other7,9311,99225.12%
Asian6,51072911.2%
Native96562564.77%
Islander36012334.17%
showing: 8 rows

12.53%

Overall Poverty Rate

11.11%

Male Poverty Rate

13.84%

Female Poverty Rate

Poverty in Charleston County, South Carolina

The race most likely to be in poverty in Charleston County, South Carolina is Native, with 64.77% below the poverty level.

The race least likely to be in poverty in Charleston County, South Carolina is White, with 7.73% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.69%. Among those working part-time, it was 16.21%, and for those that did not work, the poverty rate was 21.19%.

Charleston County, South Carolina Poverty

rate

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Rate
Poverty
Less Than 9th Grade25.13%
High School14.97%
Some College8.78%
Bachelors or Greater4.83%
showing: 4 rows

Charleston County, South Carolina Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed27.22%
Male Unemployed26%
Female Employed7.44%
Male Employed4.28%
showing: 4 rows

Charleston County, South Carolina Poverty Rate by Employment Status and Sex

Charleston County, South Carolina Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Charleston County, South Carolina Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

46.0%

Overall Marriage Rate

48.4%

Male Marriage Rate

43.8%

Female Marriage Rate

Charleston County, South Carolina Married by Age and Sex

male

female

Charleston County, South Carolina Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Charleston County, South Carolina Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Charleston County, South Carolina Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

28,273

Number of Veterans

25,610

Male Veterans

2,663

Female Veterans

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Charleston County, South Carolina Veterans by War

count

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Charleston County, South Carolina Veterans by Age

count

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Charleston County, South Carolina Veterans by Race

Charleston County, South Carolina Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.54%

Veteran Poverty Rate

22.72%

Veteran Disability Rate

Charleston County, South Carolina Veterans by Education

LaborForceParticipation

65.8%

Labor Force Participation

62.4%

Employment Rate

3.8%

Unemployment Rate

Charleston County, South Carolina Employment by Age

LaborForceParticipation

Charleston County, South Carolina Employment by Race

LaborForceParticipation

Charleston County, South Carolina Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

49.72%

Born in Charleston County, South Carolina

96.65%

Native Born

6.05%

Foreign Born

3.48%

Non Citizen

2.57%

Naturalized

Place of Birth

96.65% of Charleston County, South Carolina residents were born in the United States, with 49.72% having been born in South Carolina. 3.48% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Charleston County, South Carolina Place of Birth

Sources